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Spectrum Sharing Based on Frobenius Norm in Cognitive Radio Networks
Author(s): 
Pages: 95-100
Year: Issue:  1
Journal: Acta Electronica Sinica

Abstract: 针对多用户多输入多输出认知无线电网络的频谱共享问题,提出一种在保证授权用户服务质量要求的前提下,以认知网络容量最大化为目标的基于F范数的频谱共享方法.该方法利用信道矩阵的F范数选择认知用户以获得认知网络的多用户分集增益,并采用两次选择的方式降低算法的复杂度,通过将认知用户的发射信号投射到干扰信道的零空间来避免认知用户对授权用户的干扰,对认知用户的信道矩阵采用奇异值分解方法使其转化为并行独立信道,并...
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